Home / 699,691.60-1,050,055.80-279,269.20

Finding the Fourth Proportional to 699,691.60, 1,050,055.80 and 279,269.20

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Solution

The fourth proportional to 699,691.60, 1,050,055.80 and 279,269.20 is: 419,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,691.60 : 1,050,055.80 = 279,269.20 : x
  2. Step 2: Convert to fraction form
    699,691.60/1,050,055.80 = 279,269.20/x
  3. Step 3: Cross multiply
    699,691.60x = 1,050,055.80 × 279,269.20
  4. Step 4: Simplify right side
    699,691.60x = 293,248,243,221.36
  5. Step 5: Solve for x
    x = 293,248,243,221.36/699,691.60
  6. Step 6: Final answer
    x = 419,110.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.